Finding the Fourth Proportional to 182,439,729.54, 251,766,747.21 and 98,807,863.98
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Solution
The fourth proportional to 182,439,729.54, 251,766,747.21 and 98,807,863.98 is: 136,354,809.21
Step by Step Solution
- Step 1: Write the proportion equation
182,439,729.54 : 251,766,747.21 = 98,807,863.98 : x - Step 2: Convert to fraction form
182,439,729.54/251,766,747.21 = 98,807,863.98/x - Step 3: Cross multiply
182,439,729.54x = 251,766,747.21 × 98,807,863.98 - Step 4: Simplify right side
182,439,729.54x = 24,876,534,513,012,728 - Step 5: Solve for x
x = 24,876,534,513,012,728/182,439,729.54 - Step 6: Final answer
x = 136,354,809.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.